--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6059848166 dns-udp-queries-received-ipv6: 475187101 dns-tcp-queries-received-ipv4: 19332281 dns-tcp-queries-received-ipv6: 818773 dns-udp-responses-sent-ipv4: 6027194888 dns-udp-responses-sent-ipv6: 473153747 dns-tcp-responses-sent-ipv4: 19426300 dns-tcp-responses-sent-ipv6: 826636